十进制展开数(Decimal Expansion Number)的计算公式:
DEN = n^3 - n - 1
计算结果:
源程序:
using System;
namespace Legalsoft.Truffer.Algorithm
{
public static partial class Number_Sequence
{
public static int Decimal_Expansion_Number(int n)
{
return n * n * n - n - 1;
}
}
}